Yosemite National Park, California
Regional Weather Alerts
| Alert: | Air Quality Alert |
| Area(s): | Coachella Valley |
| Effective: | 4apeor15ap |
| Onset: | 4apeor15ap -> 5apeor15ap |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS San Diego CA on 4apeor15ap |
| Headline: | Air Quality Alert issued April 4 at 5:15PM PDT by NWS San Diego CA |
| Description: |
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. * WHERE...in the Coachella Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...until Saturday evening. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. |
| Alert: | Beach Hazards Statement |
| Area(s): | San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast |
| Effective: | 4apeor23ap -> 8aaeor0aa |
| Onset: | 6apeor0ap -> 5aaeor0aa |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 4apeor23ap |
| Headline: | Beach Hazards Statement issued April 4 at 1:23PM PDT until April 7 at 11:00PM PDT by NWS San Francisco CA |
| Description: |
* WHAT...A moderate period northwesterly swell will result in an increased risk for sneaker waves and rip currents. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...From Sunday morning through Monday evening. * IMPACTS...Sneaker waves can unexpectedly run significantly farther up the beach than normal, including over rocks and jetties. These waves can suddenly knock people off their feet and quickly pull them into the cold ocean waters, where currents will be stronger than normal. These waves can also carry driftwood logs and other debris. |
| Alert: | Beach Hazards Statement |
| Area(s): | Coastal Del Norte; Northern Humboldt Coast; Southwestern Humboldt; Mendocino Coast |
| Effective: | 4apeor46ap -> 7aaeor0aa |
| Onset: | 6aaeor0aa -> 4apeor0ap |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Eureka CA on 4apeor46ap |
| Headline: | Beach Hazards Statement issued April 4 at 10:46AM PDT until April 6 at 11:00PM PDT by NWS Eureka CA |
| Description: |
* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From late Saturday night through Sunday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. |